Facebook Caught Doing Journalism

This week the tech site Gizmodo reported that Facebook has been manipulating its supposedly algorithmically-generated "Trending Topics" feature with human intervention, suppressing conservative news and "injecting" news that's not naturally trending on Facebook. Bob talks with Michael Nuñez, who broke the story for Gizmodo, and Emily Bell, a professor at Columbia Journalism School and former director of digital content at the Guardian, about Facebook's increasingly significant role in the way we get our news.